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6740384250625 = 5429235812
BaseRepresentation
bin110001000010101111000…
…1101010111101100000001
3212212101002222010102220021
41202011132031113230001
51340413301332010000
622200253443013441
71263656001543544
oct142053615275401
925771088112807
106740384250625
112169643208293
1290a3b906a281
1339b80036810c
1419434472685b
15ba4ed62911a
hex6215e357b01

6740384250625 has 45 divisors (see below), whose sum is σ = 8725676852893. Its totient is φ = 5204911880000.

The previous prime is 6740384250583. The next prime is 6740384250659. The reversal of 6740384250625 is 5260524830476.

The square root of 6740384250625 is 2596225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 6499476051649 + 240908198976 = 2549407^2 + 490824^2 .

It is not a de Polignac number, because 6740384250625 - 219 = 6740383726337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1882261335 + ... + 1882264915.

Almost surely, 26740384250625 is an apocalyptic number.

6740384250625 is the 2596225-th square number.

6740384250625 is the 1298113-rd centered octagonal number.

It is an amenable number.

6740384250625 is a deficient number, since it is larger than the sum of its proper divisors (1985292602268).

6740384250625 is an frugal number, since it uses more digits than its factorization.

6740384250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240 (or 3615 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 6740384250625 in words is "six trillion, seven hundred forty billion, three hundred eighty-four million, two hundred fifty thousand, six hundred twenty-five".

Divisors: 1 5 25 29 125 145 625 725 841 3581 3625 4205 17905 18125 21025 89525 103849 105125 447625 519245 525625 2238125 2596225 3011621 12823561 12981125 15058105 64117805 64905625 75290525 320589025 371883269 376452625 1602945125 1859416345 1882263125 8014725625 9297081725 10784614801 46485408625 53923074005 232427043125 269615370025 1348076850125 6740384250625